export default function flowheart(window, document, undefined,location) {
    var hearts = [];
    window.requestAnimationFrame = (function () {
      return (
        window.requestAnimationFrame ||
        window.webkitRequestAnimationFrame ||
        window.mozRequestAnimationFrame ||
        window.oRequestAnimationFrame ||
        window.msRequestAnimationFrame ||
        function (callback) {
          setTimeout(callback, 1000 / 60);
        }
      );
    })();
    init();
    function init() {
      css(
        ".heart{width: 10px;height: 10px;position: fixed;background: #f00;transform: rotate(45deg);-webkit-transform: rotate(45deg);-moz-transform: rotate(45deg);}.heart:after,.heart:before{content: '';width: inherit;height: inherit;background: inherit;border-radius: 50%;-webkit-border-radius: 50%;-moz-border-radius: 50%;position: absolute;}.heart:after{top: -5px;}.heart:before{left: -5px;}"
      );
      attachEvent();
      gameloop();
    }
    function gameloop() {
      for (var i = 0; i < hearts.length; i++) {
        if (hearts[i].alpha <= 0) {
          document.body.removeChild(hearts[i].el);
          hearts.splice(i, 1);
          continue;
        }
        hearts[i].y--;
        hearts[i].scale += 0.004;
        hearts[i].alpha -= 0.013;
        hearts[i].el.style.cssText =
          "left:" +
          hearts[i].x +
          "px;top:" +
          hearts[i].y +
          "px;opacity:" +
          hearts[i].alpha +
          ";transform:scale(" +
          hearts[i].scale +
          "," +
          hearts[i].scale +
          ") rotate(45deg);background:" +
          hearts[i].color;
      }
    //   if(location.pathname == '/admin') {
          requestAnimationFrame(gameloop);
    //   }1
      
    }
    function attachEvent() {
      var old = typeof window.onclick === "function" && window.onclick;
     if(location !== 'login') {
        window.onclick = function (event) {
            old && old();
            createHeart(event);
          };
     }else {
         window.onclick = function() {
             console.log('星星不能闪耀');
         } ;
     }
    }
    function createHeart(event) {
      var d = document.createElement("div");
      d.className = "heart";
      hearts.push({
        el: d,
        x: event.clientX - 5,
        y: event.clientY - 5,
        scale: 1,
        alpha: 1,
        color: randomColor(),
      });
      document.body.appendChild(d);
    }
    function css(css) {
      var style = document.createElement("style");
      style.type = "text/css";
      try {
        style.appendChild(document.createTextNode(css));
      } catch (ex) {
        style.styleSheet.cssText = css;
      }
      document.getElementsByTagName("head")[0].appendChild(style);
    }
    function randomColor() {
      return (
        "rgb(" +
        ~~(Math.random() * 255) +
        "," +
        ~~(Math.random() * 255) +
        "," +
        ~~(Math.random() * 255) +
        ")"
      );
    }
  }